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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 384

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in January or November, booked 23 days in advance, depart on a Saturday or Sunday and return on a Sunday

Cheap flight deals from Pierre Elliott Trudeau Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to London
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2026.

Tue 17/116:30 p.m. -
1 stop14h 45m
Tue 1/129:40 a.m. -
1 stop31h 50m
Deal found 12/8C$ 735
Tue 29/95:55 p.m. -
1 stop15h 05m
Tue 6/108:00 a.m. -
2 stops18h 50m
Deal found 15/8C$ 738
Wed 14/1011:40 p.m. -
1 stop28h 20m
Fri 16/1012:40 p.m. -
1 stop12h 50m
Deal found 13/8C$ 739
Wed 23/911:40 p.m. -
1 stop14h 20m
Wed 30/96:10 p.m. -
1 stop26h 55m
Deal found 14/8C$ 739
Wed 16/95:00 p.m. -
1 stop12h 45m
Wed 7/1011:35 a.m. -
Nonstop7h 40m
Deal found 13/8C$ 741
Wed 30/95:00 p.m. -
1 stop12h 45m
Wed 7/1011:35 a.m. -
Nonstop7h 40m
Deal found 16/8C$ 746
Wed 9/911:40 p.m. -
1 stop14h 20m
Wed 16/96:10 p.m. -
1 stop26h 55m
Deal found 12/8C$ 746
Sat 7/116:30 p.m. -
1 stop12h 25m
Sat 14/117:45 p.m. -
1 stop21h 45m
Deal found 15/8C$ 749
Mon 14/911:40 p.m. -
1 stop19h 15m
Tue 22/96:00 a.m. -
1 stop15h 05m
Deal found 13/8C$ 749
Wed 7/1010:45 p.m. -
2 stops16h 10m
Wed 14/107:25 a.m. -
2 stops18h 20m
Deal found 13/8C$ 750
Tue 13/105:55 p.m. -
1 stop15h 05m
Tue 20/108:00 a.m. -
2 stops18h 50m
Deal found 13/8C$ 752
Fri 27/116:50 p.m. -
1 stop21h 00m
Sun 6/127:45 a.m. -
1 stop12h 55m
Deal found 12/8C$ 753

Find flight deals from Pierre Elliott Trudeau Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 August 2026.

Round-trip from

C$ 734

One-way from

C$ 384

Popular in

December

Cheapest in

January

Average price

C$ 1,103

Good round-trip deal

C$ 787 or less

Good one-way deal

C$ 382 or less
Air Transat
  • Air Transat
  • 11/9-18/9
  • 1 total stop
  • 23h 42m total
  • Montreal to London
Search Deals
Air Transat
  • Air Transat
  • 24/9
  • Nonstop
  • 6h 45m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
Search Deals
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

6:30 p.m.-12:05 p.m.

1 stop12h 35m

London Luton

Tue 1/12

6:50 a.m.-12:30 p.m.

1 stop34h 40m

C$ 738

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

6:50 p.m.-10:35 a.m.

1 stop10h 45m

London Luton

Mon 21/9

7:40 p.m.-11:35 a.m.

1 stop20h 55m

C$ 771

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:50 p.m.-10:35 a.m.

1 stop10h 45m

London Luton

Mon 28/9

1:55 p.m.-11:35 a.m.

1 stop26h 40m

C$ 778

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 23/11

8:15 p.m.-1:45 p.m.

1 stop12h 30m

London Luton

Mon 30/11

4:20 p.m.-12:15 p.m.

1 stop24h 55m

C$ 809

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Sun 11/10

11:45 p.m.-11:20 p.m.

1 stop18h 35m

London Luton

Sun 18/10

7:00 a.m.-5:20 p.m.

1 stop15h 20m

C$ 814

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - SEN London Southend

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

11:45 p.m.-7:55 a.m.

1 stop27h 10m

London Southend

Tue 22/9

6:30 a.m.-5:20 p.m.

1 stop15h 50m

C$ 825

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

2:15 p.m.-9:45 a.m.

1 stop14h 30m

London Gatwick

Sun 29/11

11:40 a.m.-10:20 p.m.

1 stop15h 40m

C$ 874
Quickest round-trip

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

10:10 p.m.-10:00 a.m.

Nonstop6h 50m

London Heathrow

Thu 22/10

2:05 p.m.-4:40 p.m.

Nonstop7h 35m

C$ 896

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

2:15 p.m.-9:45 a.m.

1 stop14h 30m

London Gatwick

Sat 21/11

11:40 a.m.-10:20 p.m.

1 stop15h 40m

C$ 918

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 20/11

2:15 p.m.-9:45 a.m.

1 stop14h 30m

London Gatwick

Sun 29/11

11:40 a.m.-10:20 p.m.

1 stop15h 40m

C$ 920

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pierre Elliott Trudeau Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to London

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 867). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in December is currently the most expensive (average of C$ 1,286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to LON?

Find hourly flight availability from Pierre Elliott Trudeau Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 August 2026.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London

Explore weekly flight availability from Pierre Elliott Trudeau Intl to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 August 2026.

The most flights from YUL to LON are scheduled on a Saturday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to London?

Airfare is below average for this route at the moment.
Montreal Pierre Elliott Trudeau Intl Airport to London flights typically cost between C$ 967 and C$ 1,293 in September.
The cheapest round-trip price found within the last 5 days was C$ 738 on Multiple Airlines (29 Sep-6 Oct).

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 61% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 544.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to London?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 10h 04m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 0h 55m.

How often are flights from Montreal to London delayed?

About 23% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 150 minutes.

What is the most punctual flight time for Montreal to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to London flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 16% of flights being delayed.

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 17 August 2026.
Get a feel of what it's like to fly with Air Transat,American Airlines, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
572 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
Air Transat
7.8
Good
572 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
American Airlines
7.1
Good
11,948 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
Air Canada
7.1
Good
11,487 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
Lufthansa
6.8
Okay
8,196 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
British Airways
6.7
Okay
8,173 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Boarding

8.0

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

    For as low as C$ 896, Air Transat can have you in London from Montreal Pierre Elliott Trudeau Intl Airport in 6h 50m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to London is about 5213 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London round-trip?

    Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to London is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as C$ 556 on this airline. Additional options worth looking into are Air Transat and Porter Airlines, starting at C$ 668 and C$ 709 round-trip. These flights start at 44% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to London one-way?

    C$ 376 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on TAP AIR PORTUGAL and Finnair, with prices starting from C$ 392 and C$ 553, respectively.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to London?

    When deciding which route to take from Montreal Pierre Elliott Trudeau Intl Airport to London consider Montreal Pierre Elliott Trudeau Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London City as they are the most popular.

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Consider Egyptair (68%), MEA (59%) or Air Canada (58%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Looking at all options, your cheapest flight can be booked for C$ 596. While the most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow) can be booked for C$ 777 on average, our data indicates C$ 2,524 when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to London that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to London.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to London?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 867). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in December is currently the most expensive (average of C$ 1,286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

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Gatwick
Romford
Twickenham
Ilford
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Watford
High Wycombe

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Fly from Pierre Elliott Trudeau Intl to London on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to London. Flights are based on user searches made on Cheapflights and were last updated on 17 August 2026.
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to London
Air Transat flights from Montreal Pierre Elliott Trudeau Intl to London
British Airways flights from Montreal Pierre Elliott Trudeau Intl to London

Top 8 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 8 airlines that operate flights from Pierre Elliott Trudeau Intl to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 556AverageC$ 840FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 668AverageC$ 980FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 709AverageC$ 909FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 760AverageC$ 1,044FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 780AverageC$ 1,060FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 781AverageC$ 987FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapestC$ 798AverageC$ 1,084FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapestC$ 946AverageC$ 1,117FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to London?

When you search for this flight from Pierre Elliott Trudeau Intl to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to London?

Cheapflights helps you find that perfect flight to London from Pierre Elliott Trudeau Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

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